APPARATUS AND METHOD FOR CREATING, MAINTAINING, AND CONTROLLING AVIRTUAL ELECTRODE USED FOR THE ABLATION OF TISSUE - Patent 1411846

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EP 1 411 846 A1

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(43)	Date of publication:
	28.04.2004 Bulletin 2004/18

(21)	Application number: 02744819.0

(22)	Date of filing: 03.07.2002

(51)	International Patent Classification (IPC)⁷: A61B 18/12

(86)	International application number:
	PCT/US2002/021203

(87)	International publication number:
	WO 2003/005918 (23.01.2003 Gazette 2003/04)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

11.07.2001 US 903296

(71)	Applicant: Medtronic, Inc.
	Minneapolis, MN 55432 (US)

(72)	Inventors:
	GOETZ, Steven, M. Brooklyn Center, MN 55429 (US) HOEY, Michael, F. Shoreview, MN 55126 (US) CHRISTOPHERSON, Mark, A. Shoreview, MN 55126 (US)

(74)	Representative: Hughes, Andrea Michelle et al
	Frank B. Dehn & Co.,European Patent Attorneys,179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)

(54)	APPARATUS AND METHOD FOR CREATING, MAINTAINING, AND CONTROLLING AVIRTUAL ELECTRODE USED FOR THE ABLATION OF TISSUE